CN215418274U - Needle mechanism is rolled up to diameter automatically regulated - Google Patents
Needle mechanism is rolled up to diameter automatically regulated Download PDFInfo
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- CN215418274U CN215418274U CN202121474310.9U CN202121474310U CN215418274U CN 215418274 U CN215418274 U CN 215418274U CN 202121474310 U CN202121474310 U CN 202121474310U CN 215418274 U CN215418274 U CN 215418274U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a diameter-adjustable needle winding mechanism, which comprises a pair of outer winding needles oppositely arranged on the same circumference, wherein an inner winding needle is arranged inside each outer winding needle, the inner winding needle and the outer winding needles are in sliding fit along the radial direction of the outer winding needle, a moving part capable of moving along the radial direction of the outer winding needle is arranged on each inner winding needle, the moving part comprises at least one piezoelectric ceramic and a fixed block, one end of the piezoelectric ceramic is fixedly connected with the inner winding needle, the other end of the piezoelectric ceramic is fixedly connected with the fixed block, and the fixed block is abutted against the inner wall of the outer winding needle. When changing the voltage of exerting on piezoceramics, piezoceramics turns into the displacement volume with the signal of telecommunication, and this displacement volume is along the radial direction of outer book needle, and piezoceramics's displacement promotes outer book needle and moves along its radial direction to this has realized the regulation of whole book needle diameter, and it is convenient to adjust, improves the use flexibility of rolling up needle mechanism.
Description
The technical field is as follows:
the utility model relates to a needle winding mechanism with a diameter capable of being automatically adjusted.
Background art:
in the production process of the lithium battery, the winding battery core is formed by winding the diaphragm and the positive and negative pole pieces through the winding needle mechanism of the winding machine, and the winding diameter of the winding needle mechanism is related to the alignment degree of pole piece tabs and the size of the battery core, so the winding diameter of the winding needle mechanism directly influences the quality of the battery core. However, the winding diameter of the existing winding needle mechanism is inconvenient to adjust, and the existing winding needle mechanism cannot be well adapted to the production of lithium batteries of different models.
The utility model has the following contents:
the utility model aims at solving the problems in the prior art, namely, the utility model aims to provide a needle winding mechanism with an automatically adjustable diameter, which is reasonable in design and convenient to adjust.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a but diameter automatically regulated rolls up needle mechanism, includes a pair of outer needle that rolls up that sets up relatively on same circumference, and the inside of every outer needle that rolls up all is equipped with interior needle that rolls up, interior needle and outer needle that rolls up are along the radial direction sliding fit of outer needle, are provided with the moving member that can follow the radial direction removal of outer needle on the interior needle that rolls up, the moving member is connected with outer needle that rolls up to drive outer needle and move along radial direction.
Furthermore, the moving part comprises at least one piezoelectric ceramic and a fixed block, one end of the piezoelectric ceramic is fixedly connected with the inner winding needle, the other end of the piezoelectric ceramic is fixedly connected with the fixed block, and the fixed block is abutted to the inner wall of the outer winding needle.
Furthermore, the number of the piezoelectric ceramics is two, the two piezoelectric ceramics are respectively located on the left side and the right side of the inner rolling needle, connecting blocks are respectively fixed on the left side and the right side of the inner rolling, and the connecting blocks are fixedly connected with the piezoelectric ceramics.
Further, set up at least one radial through-hole along its axis direction distribution on the outer needle of rolling up, sliding connection has the guide in the radial through-hole, the one end and the interior needle fixed connection of rolling up of guide, the other end of guide and the outer elastic component of butt between rolling up the needle, the elastic component is along the radial direction elastic deformation of outer needle of rolling up.
Further, the guide piece is a guide bolt, and the guide bolt is in threaded connection with the inner winding needle; the radial through hole is in a step shape, and a bushing which is in sliding fit with the guide bolt is arranged at the lower end of the radial through hole; the elastic piece is abutted between the bushing and the bolt head of the guide bolt.
Further, the guide piece is a guide bolt, and the guide bolt is in threaded connection with the inner winding needle; the radial through hole is in a step shape, and a bushing which is in sliding fit with the guide bolt is arranged at the lower end of the radial through hole; the elastic piece is abutted between the bushing and the bolt head of the guide bolt.
Further, the elastic part is a compression spring arranged along the radial direction of the outer winding needle.
Furthermore, the inside of the outer winding needle is provided with a sliding groove which is used for being in sliding fit with the inner winding needle along the axial direction and the radial direction.
Further, an inner clamping needle is arranged inside the inner rolling needle.
Compared with the prior art, the utility model has the following effects: the utility model has reasonable structural design, only needs to change the voltage applied on the piezoelectric ceramics, utilizes the displacement of the piezoelectric ceramics to drive the outer winding needle to move along the radial direction, thereby realizing the adjustment of the diameter of the winding needle, having convenient adjustment and improving the use flexibility of the winding needle mechanism.
Description of the drawings:
FIG. 1 is a schematic front sectional view of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a side sectional configuration of an embodiment of the present invention;
FIG. 4 is a schematic perspective view of an embodiment of the present invention;
fig. 5 is a perspective view of the outer wrap needle in the embodiment of the present invention.
In the figure:
1-outward winding needle; 2-inner winding needle; 3-a moving part; 4-piezoelectric ceramics; 5, fixing blocks; 6-connecting blocks; 7-radial through holes; 8-a guide bolt; 9-a bushing; 10-a compression spring; 11-a chute; 12-an accommodation recess; 13-internal clamping needle; 14-a fixed seat; 15-a movable seat; 16-a conductive slip ring; 17-transition sleeve.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 5, the diameter-automatically-adjustable needle winding mechanism of the present invention includes a pair of outward winding needles 1 oppositely disposed on the same circumference, an inward winding needle 2 is disposed inside each outward winding needle 1, the inward winding needle 2 and the outward winding needle 1 are slidably engaged along the radial direction of the outward winding needle 1, a moving member 3 movable along the radial direction of the outward winding needle is disposed on the inward winding needle 2, and the moving member 3 is connected to the outward winding needle 1 to drive the outward winding needle 1 to move along the radial direction.
In this embodiment, the moving member 3 includes at least one piezoelectric ceramic 4 and a fixed block 5, one end of the piezoelectric ceramic 4 is fixedly connected to the inner winding needle 2, the other end of the piezoelectric ceramic is fixedly connected to the fixed block 5, and the fixed block 5 abuts against the inner wall of the outer winding needle 1. When the voltage applied to the piezoelectric ceramic 4 is changed, the piezoelectric ceramic 4 converts the electric signal into a displacement amount, and the displacement amount is along the radial direction of the outer winding needle 1, and the displacement of the piezoelectric ceramic 4 pushes the outer winding needle 1 to move along the radial direction, so that the diameter of the whole winding needle is adjusted. The piezoelectric ceramic is provided with a displacement amplifier (not shown in the figure) so as to amplify the displacement of the piezoelectric ceramic.
It should be noted that the piezoelectric ceramic and the displacement amplifier are integrated into a whole, which is a product that is well-established in the prior art, for example, the piezoelectric ceramic may be a type P-602.8XX piezoelectric ceramic, which is integrated with the displacement amplifier, and the whole shape is a long strip. Since the piezoelectric ceramic integrated with the displacement amplifier is the prior art, the detailed structure and the working principle of the piezoelectric ceramic are not repeated.
In this embodiment, in order to ensure the stability of the outer winding needle 1 during movement, the number of the piezoelectric ceramics 4 is two, and the two piezoelectric ceramics 4 are respectively located at the left side and the right side of the inner winding needle 2. The left side and the right side of the inner winding needle are respectively fixed with a connecting block 6, the connecting block 6 is fixedly connected with the piezoelectric ceramics 4 through bolts, and the piezoelectric ceramics 4 and the fixing block 5 are also fixedly connected through bolts.
In this embodiment, set up at least one radial through-hole 7 that distributes side by side along its axis direction on the outer needle of rolling up 1, sliding connection has the guide in radial through-hole 7, the one end and the interior 2 fixed connection that roll up of needle of guide, the other end of guide and the outer needle of rolling up between the butt have the elastic component that is in compression state, the elastic component is along the radial direction elastic deformation of outer needle of rolling up 1. The guide part plays a guide role in guiding the outward rolling needle to move along the radial direction of the outward rolling needle, and the elastic part is arranged to compress the outward rolling needle when the outward rolling needle moves outwards along the radial direction (towards the side far away from the inward rolling needle). Because the elastic part is always in a compressed state, when the piezoelectric ceramics stops applying voltage, the outward winding needle moves to reset along the radial direction under the action of the elastic force of the elastic part.
In the embodiment, the guide part is a guide bolt 8, and the guide bolt 8 is in threaded connection with the inner winding needle 2; the radial through hole 7 is in a step shape, and a bushing 9 which is in sliding fit with the guide bolt 8 is arranged at the lower end of the radial through hole 7; the resilient member abuts between the bushing 9 and the bolt head of the guide bolt 8.
In this embodiment, the elastic member is a compression spring 10 disposed along the radial direction of the outer winding needle 1.
In this embodiment, the inside of the outer winding needle 1 is provided with a chute 11 for sliding fit with the inner winding needle 2 along the axial direction and the radial direction, that is, the inner winding needle is movably installed in the chute.
In this embodiment, the inside of the outer winding needle 1 is provided with an accommodating recess 12 communicated with the chute 11, and the moving member is accommodated in the accommodating recess. And each outer winding needle is provided with four radial through holes, and two sides of the accommodating groove are respectively provided with two radial through holes.
In this embodiment, the inside of the inner winding needle 2 is provided with a through groove running through in the transverse direction, the through groove is internally provided with an inner clamping needle 13, and the inner clamping needle and the inner winding needle are in transverse sliding fit. The inner clamping needles on the two sides are oppositely arranged and form a substrate clamping space.
In this embodiment, the needle winding mechanism further includes a needle winding seat and a needle winding driving mechanism, but it should be noted that both the needle winding seat and the needle winding driving mechanism can adopt the prior art, for example: the winding needle driving mechanism (not shown in the figure) comprises a sliding block, a spline shaft and a spline motor, wherein the spline motor is a through motor, the spline motor is fixedly arranged on the winding turret, the spline motor is sleeved at the rear end of the spline shaft, the spline motor is directly connected with the spline shaft through a spline outer barrel, the winding needle mechanism is fixedly arranged at the front end of the spline shaft, the middle part of the sliding block is sleeved at the front part of the spline shaft, and the sliding block is fixedly arranged on the spline shaft through a bearing seat; the splined motor is wired through conductive slip rings 16. And roll up needle holder and include fixing base 14, fixing base 14 and integral key shaft front end fixed connection, be equipped with the removal seat 15 that can slide in the fixing base 14, two interior clip needles 13 and two interior roll up needle 2 and respectively have one to install on fixing base 14 and removal seat 15. The driving piece is arranged in the fixed seat and used for controlling the movable seat to slide, and the driving piece is an ejector pin.
In this embodiment, the fixed seat 14 is connected to a transition sleeve 17, the conductive slip ring 16 is installed on the transition sleeve 17, and all the wires of the piezoelectric ceramics 4 are connected to the conductive slip ring 16.
In this embodiment, a pair (two) of outer wrap needles 1 are placed 180 ° on the same circumference.
If the utility model discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides a but diameter automatically regulated rolls up needle mechanism, includes a pair of outer needle that rolls up that sets up relatively on same circumference, the inside of every outer needle that rolls up all is equipped with interior needle, its characterized in that: the inner winding needle and the outer winding needle are in sliding fit along the radial direction of the outer winding needle, a moving piece capable of moving along the radial direction of the outer winding needle is arranged on the inner winding needle, and the moving piece is connected with the outer winding needle to drive the outer winding needle to move along the radial direction.
2. The automatic diameter adjustable needle winding mechanism according to claim 1, characterized in that: the moving piece comprises at least one piezoelectric ceramic and a fixed block, one end of the piezoelectric ceramic is fixedly connected with the inner winding needle, the other end of the piezoelectric ceramic is fixedly connected with the fixed block, and the fixed block is abutted to the inner wall of the outer winding needle.
3. The automatic diameter adjustable needle winding mechanism according to claim 2, wherein: the piezoelectric ceramic is two, and two piezoelectric ceramic are located the left and right both sides of interior book needle respectively, the left and right side of interior book needle is fixed with the connecting block respectively, connecting block and piezoelectric ceramic fixed connection.
4. The automatic diameter adjustable needle winding mechanism according to claim 1, characterized in that: set up at least one radial through-hole along its axis direction distribution on the outer needle of rolling up, sliding connection has the guide in the radial through-hole, the one end and the interior needle fixed connection of rolling up of guide, butt elastic component between the other end of guide and the outer needle of rolling up, the elastic component is along the radial direction elastic deformation of outer needle of rolling up.
5. The automatic diameter adjustable needle winding mechanism according to claim 4, wherein: the guide piece is a guide bolt, and the guide bolt is in threaded connection with the inner winding needle; the radial through hole is in a step shape, and a bushing which is in sliding fit with the guide bolt is arranged at the lower end of the radial through hole; the elastic piece is abutted between the bushing and the bolt head of the guide bolt.
6. An automatically diameter adjustable needle winding mechanism according to claim 4 or 5, characterized in that: the elastic piece is provided with a compression spring along the radial direction of the outer winding needle.
7. The automatic diameter adjustable needle winding mechanism according to claim 1, characterized in that: the inside of outer book needle is equipped with and is used for with interior book needle along axis direction and radial direction sliding fit's spout.
8. The automatic diameter adjustable needle winding mechanism according to claim 1, characterized in that: an inner clamping needle is arranged inside the inner rolling needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121474310.9U CN215418274U (en) | 2021-06-30 | 2021-06-30 | Needle mechanism is rolled up to diameter automatically regulated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121474310.9U CN215418274U (en) | 2021-06-30 | 2021-06-30 | Needle mechanism is rolled up to diameter automatically regulated |
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| Publication Number | Publication Date |
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| CN215418274U true CN215418274U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121474310.9U Active CN215418274U (en) | 2021-06-30 | 2021-06-30 | Needle mechanism is rolled up to diameter automatically regulated |
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| CN (1) | CN215418274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388897A (en) * | 2022-01-14 | 2022-04-22 | 深圳吉阳智能科技有限公司 | Diameter-variable adsorption winding needle mechanism and winding machine |
-
2021
- 2021-06-30 CN CN202121474310.9U patent/CN215418274U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388897A (en) * | 2022-01-14 | 2022-04-22 | 深圳吉阳智能科技有限公司 | Diameter-variable adsorption winding needle mechanism and winding machine |
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